Deputy Higgins served as councillor for the Mulhuddart and Castleknock wards and as MEP for Dublin. He was elected to the Dáil in 1997 and re-elected in 2002. He spent 2009 and 2010 at the European Parliament and returned to the Dáil after his election in 2011. In Europe, Deputy Higgins worked with the European Parliament’s Committee on International Trade. He is currently a member of the Oireachtas Committee on Finance, Public Expenditure and Reform.
He currently writes for his party’s paper, The Socialist.